The relationship between topography and the terrestrial water cycle has been documented for thousands of years, yet there is ...

Tohoku University researchers are looking underfoot to uncover the mysterious past of Mars: Martian regoliths in the soil.

In the 1970s, images from the NASA Mariner 9 orbiter revealed water-sculpted surfaces on Mars. This settled the once-controversial question of whether water ever rippled over the red planet.

At some point, iron within rocks on Mars reacted with water or water and oxygen in the air, creating iron oxide — much in the same way rust forms on Earth. Over billions of years, the iron oxide ...

Initially developed as maritime patrol flying boats for the US Navy, the Martin Mars fleet was later configured to operate as long-range transport aircraft. Some became water bombers to fight ...

The Philippine Mars water bomber, a legendary aircraft that fought wildfires in B.C. for nearly 50 years, has completed its final flight. The massive plane left its longtime base at Sproat Lake in ...

In the 1970s, images from the NASA Mariner 9 orbiter revealed water-sculpted surfaces on Mars. This settled the once-controversial question of whether water ever rippled over the red planet.

In the 1970s, images from the NASA Mariner 9 orbiter revealed water-sculpted surfaces ... of years old. This diagram shows how a series of beach deposits would have formed at the Zhurong landing site ...